I know what avant garde means. It's not the term that annoys me so much as it is the elite jet-setting twits that use the term.
The Love and Clothespins were massive wastes of taxpayer dollars in a city that has more problems than you can shake a 40 foot clothespin at.
Here's some real art:

Rodina Mat, largest statue ever created by man (the sword alone is as tall as the Statue of Liberty)